Blog

Since Estrogen inhibits PTH, it causes_____ activity and therefore ___ bone density.

The aging process and exposure to the sun will result in the breakdown of protein fiber(s) which help to give the dermis of the skin structural integrity and help to keep it flexible, therefore helping to keep wrinkles from forming.  The fiber(s) is(are):

Which of the following does NOT correctly depict the effects of parathyroid hormone (PTH)?

The patella is classified as a sesamoid bone since it:

Despite the strength of the dermis, it is subject to tearing. How might a person know that the dermis has been previously stretched and/or torn?

Place the following steps of protein synthesis in the correct order as they occur. 1. mRNA is produced in the nucleus. 2. Ribosome moves along mRNA. 3. DNA uncoils for transcription. 4. Polypeptide is produced. 5. tRNA brings amino acids to the ribosome. 6. mRNA moves to the ribosome.

What type of protein fiber, commonly found in the extracellular matrix, is extensible?

Jill is blind and often uses braille (a system of raised dots) to read her school assignments. What cell in the stratum basale of the epidermis helps her discriminate between the textured dots?

Charlie has a break in the shaft of his thigh bone. He broke the:

Which of the following statements is INCORRECT concerning Figure 7?